diff --git a/Cargo.toml b/Cargo.toml
index 9c3fe77..8284514 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,7 +34,7 @@ rand_derive = "0.5.0"
 reed-solomon-erasure = "3.1.1"
 serde = { version = "1.0.102", features = ["derive", "rc"] }
 threshold_crypto = { rev = "624eeee", git = "https://github.com/poanetwork/threshold_crypto" }
-tiny-keccak = "1.5.0"
+tiny-keccak = { version = "2.0.0", features = ["sha3"]}
 
 [dev-dependencies]
 colored = "1.9.0"
diff --git a/src/broadcast/merkle.rs b/src/broadcast/merkle.rs
index 5db7937..cf4b33a 100644
--- a/src/broadcast/merkle.rs
+++ b/src/broadcast/merkle.rs
@@ -1,7 +1,7 @@
 use std::mem;
 
 use serde::{Deserialize, Serialize};
-use tiny_keccak::sha3_256;
+use tiny_keccak::{Hasher, Sha3};
 
 pub type Digest = [u8; 32];
 
@@ -141,7 +141,12 @@ fn hash_pair<T0: AsRef<[u8]>, T1: AsRef<[u8]>>(v0: &T0, v1: &T1) -> Digest {
 
 /// Returns the SHA-256 hash of the value's `[u8]` representation.
 fn hash<T: AsRef<[u8]>>(value: T) -> Digest {
-    sha3_256(value.as_ref())
+    let mut sha3 = Sha3::v256();
+    sha3.update(value.as_ref());
+
+    let mut out = [0u8; 32];
+    sha3.finalize(&mut out);
+    out
 }
 
 #[cfg(test)]